2. If the circumference of a circle is 176 cm, find its radius.
3. The radius of a circular garden is 56 m. What would it cost to put a 4-round fence
around this garden at a rate of 40 rupees per metre ?
1. The wheel of a bullock cart has a diameter of 1.4m. How many rotations will the
Answers
Answer:
1 If the circumference of a circle is 176 cm, find its radius. 3. The radius of a circular garden is 56 m. What would it cost to put a 4-round fence around this garden at a rate of 40 rupees per metre? diameter of 1 4m How many rotations will the
Step-by-step explanation:
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Q. 2 Answer:- r≈28.01cm
Q. 3 Answer:- THE RADIUS OF CIRCULAR GARDEN=56M. WE WANT 4 CIRCULAR FENCE=56×4=224M. THE COST PER METER=₹40. S0,THE COST OF 224 METERS IS.
Q.4. Answer:-
Diameter of cart =1.4m
Circumference =πd=
7
22
×1.4
=22×0.2
=4.4 metres
1 rotation of the wheel travels 4.4 metres.
Total distance to travel =1.1km =1100m
No. of rotations required =
4.4
1100
=
44
11000
=250
The wheel completes 250 rotations to reach 1.1km.